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Marine Science Second Semester Exam Review 2024
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Marine Science Second Semester Exam Review
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Marine Science Second Semester ExamReview
Heat Capacity - Answer -The amount of heat energy required to raise the temperature
of a substance by 1*C
Role of heat capacity in currents regulating coastal communities - Answer -Water stores
lots of heat currents transport this heat across the earth
4 factors that affect ocean surface currents - Answer -Wind, Temperature, Corialis
Effect, Land Masses
Factors cause convection currents - Answer -Caused by differences in water density
Convection Currents related to upwelling - Answer -
Gyre - Answer -Naturally occurring vortex of wind and currents that rotate in a clockwise
direction
Gyres help create the North Pacific Garage patch - Answer -Gyres bring all the trash
and garbage towards the middle and stays there
Lunar Day - Answer -The period of time it takes for the earths moon to complete one full
rotation on its axis 24 hours,50 mins
Spring Tide - Answer -The greatest distance between high and low water
Neap Tides - Answer -Especially Low, Sun and Moon oppose
How many Spring & Neap tides occur in a lunar month - Answer -Two sets of spring
tides & Two sets of neap tides
Diurnal - Answer -When there is one high tide and one low tide
-Gulf of Mexico
Semi-Diurnal - Answer -Two high and two low tides Same Height
-East Coast
, Mixed Semi-Diurnal - Answer -Two unequal highs and two unequal lows
-West Coast-Pacific
How do organisms adapt to living in the rocky shore intertidal zone? - Answer -By
migrating to an underwater area, restricting activities, and attaching more firmly to
rocks, keep from drying out "desiccation", thermal stress, high salt
How do organisms adapt to living in the sandy beach intertidal zone? - Answer -Bury
themselves deep in the sand to avoid predators and form drying out in the sun
Meiofauna - Answer -organisms living in soil and aquatic sediments
In which intertidal zone would it be part of the food chain? - Answer -sandy intertidal
zone, high grains of sand, worms, mollusks, arthropods
How do waves move? - Answer -waves are created by energy passing through water
causing it to move in a circular motion
Do waves create a net movement by water? - Answer -orbital movement move E NOT
matter
Plunging - Answer -Curling crest that moves over an air pocket from steep beach slope
(best surfing)
Spilling - Answer -Turbulent mass of air and water that runs down the front slope of the
wave as it breaks from a gradual beach slope
Surging - Answer -Wave energy is compressed into a shorter distance from an abrupt
beach slope
What causes a tsunami to form? - Answer -By an abrupt movement on the ocean floor
that can result from earthquakes, underwater landslides, volcanic eruption. Geological
event displaces water
How is a rogue wave different from a tsunami? - Answer -Rogue waves are unexpected,
while tsunamis can be determined and watches
All water: Constructive smaller waves
What factors are needed for a hurricane to form? - Answer -Disturbed weather,
temperature determines strike
-West Coast of Africa along tradewinds
El Nino - Answer -The Jetstream that brings warmer weather to the pacific coast
-ENSO=cycle of warm/cold temps
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